Question 1

Proteins of capsomeres are made up of

Accepted Answer

Capsomeres are protein units that are aggregated together to form the capsid. It is the protein coat that encloses nucleic acid, either DNA or RNA in virus. Since proteins are polymers made up of amino acids, joined together by peptide bonds. Capsomeres are made of amino acid.Example, TMV or Tobacco Mosaic Virus, where ssRNA is enclosed by spirally arranged capsomeresSo, the correct answer is 'Amino acids'

Question 2

Which of the following is true for viruses?

Accepted Answer

a) Virus mostly has RNA as genetic material. But some of the virus like herpes virus has DNA as genetic material. b) Viruses multiply inside the host cell. They inject the genetic material into the host cell and replicate themselves with the help of host machinery. c) The virus exists as non- living outside the cell and they are living inside the cell. The viruses which infect the bacteria are known as bacteriophages. d) Viruses like herpes also contain DNA but mostly virus contains RNA as their genetic material.So, the correct answer is option B.

Question 3

Food is stored in Rhizopus/Mucor as

Accepted Answer

Fungi usually store their food as glycogen, like that of animals. Rhizopus have storage of food in the form of both glycogen and oil. Plants and algae store their food in the form of starch.Thus, the correct answer is option D.

Question 4

The viruses contain

Accepted Answer

Viruses are ultramicroscopic and can cause diseases in plants and animals. They are very simple in their structure. They are composed of nucleic acid surrounded by a protein coat. The nucleic acid can be either RNA or DNA, but never both.

Question 5

Which of the following is the smallest virus?

Accepted Answer

We find a wide variety of viruses, while the smallest virus is the one causing foot and mouth disease, also called as FMDV. The disease caused by the airborne virus is very highly communicable transmitting up to many kilometers but virus is as small as 0.008 to 0.012 microns.

Question 6

On the basis of attack of host, viruses are classified into

Accepted Answer

On the basis of a host infected, three important virus types are the animal virus, plant virus and bacterial virus or bacteriophages. Several other types of viruses have been discovered with a wide range of hosts, like cyanophages (infecting cyanobacteria), mycophages (infecting fungi), zymophages (infecting yeast), phycophages (infecting algae) etc.

Question 7

Who discovered virus?

Accepted Answer

Dmitri Ivanovsky reported in 1892 that sap from a diseased tobacco plant remained infectious to healthy tobacco plants despite having been filtered.Then, in 1898, Martinus Beijerinck called the filtered, infectious substance a virus. Hence option B is correct.

Question 8

Rhizopus belongs to

Accepted Answer

Rhizopus belong to a large group of fungi called as Zygomycetes. They are called as true fungi as they grow in soil and on fruits and decaying organic materials. They have well-developed mycelium with chitin in their cell wallsSo, the correct answer is 'Zygomycetes'

Question 9

The pathogen Microsporum responsible for ringworm disease in humans belongs to the same Kingdom of organisms as that of

Accepted Answer

Ringworm is a fungal infection that invades the hair and hair follicles. Most cases are caused by Microsporum canis (Ascomycetes-Fungi). Rhizopus is a mould belongs to Zygomycetes of kingdom Fungi.Thus, the correct answer is option A.

Question 10

In Rhizopus, hyphae are

Accepted Answer

Rhizopus is a non- septate fungi, where there are no cross striations. Thus, the cytoplasmic streaming is not restricted to a great extent. Cytoplasm streams inside the hyphae. Hyphae is branched in nature. When there are no separating walls, it makes the hyphae multinucleate.Therefore, the correct answer is option B.

Biological Classification

Biology
4860 Views

Proteins of capsomeres are made up of

Which of the following is true for viruses?

Food is stored in Rhizopus/Mucor as

The viruses contain

Which of the following is the smallest virus?

On the basis of attack of host, viruses are classified into

Who discovered virus?

Rhizopus belongs to

The pathogen Microsporum responsible for ringworm disease in humans belongs to the same Kingdom of organisms as that of

In Rhizopus, hyphae are

Biological Classification

Biology 4860 Views

Proteins of capsomeres are made up of

Which of the following is true for viruses?

Food is stored in Rhizopus/Mucor as

The viruses contain

Which of the following is the smallest virus?

On the basis of attack of host, viruses are classified into

Who discovered virus?

Rhizopus belongs to

The pathogen Microsporum responsible for ringworm disease in humans belongs to the same Kingdom of organisms as that of

In Rhizopus, hyphae are

Biology
4860 Views